Physics Exam Past Questions and Answers | JAMB, WAEC and NECO

Physics is the science that studies the nature and properties of matter and energy. It covers topics like motion, heat, light, sound, electricity, magnetism, and the structure of atoms.

• Question 931:

  A quantity of ice at -10°C is heated until the temperature of the heating vessel is 90°C. Which of the following constants is NOT required to determine the quantity of heat supplied to the vessel?

  Options:
  A) Specific latent heat of vaporization
  B) Specific heat capacity of ice
  C) Specific latent heat of fusion
  D) Specific heat capacity of water
  Show Answer
  The correct answer is A .
• Question 932: The radiator of a motor car is cooled by Options:
  A) radiation
  B) conduction
  C) convection
  D) radiation and conduction
  Show Answer
  The correct answer is C .
• Question 933: Which of the following statements is NOT correct? Options:
  A) Molecules of a liquid are stationary
  B) Brownian motion is an evidence of particle nature of matter
  C) Matter is made up of molecules
  D) The molecules of matter are in constant motion
  Show Answer
  The correct answer is A .
• Question 934: What is the effect of the increase in the size of the hole of a pin-hole camera on the image? it Options:
  A) gives a blurred image
  B) corrects for chromatic aberration
  C) magnifies the image
  D) brings the image into a sharper focus
  Show Answer
  The correct answer is A .
• Question 935:

  Which of the following is true of an electrical charge?

  Options:
  A) Positive charge means deficit electrons
  B) Negative charge means excess of electrons
  C) electric current means movement of electrons
  D) All of the above
  Show Answer
  The correct answer is D .
• Question 936: Which of the following i. $\beta$-particles ii. protons iii. neutrons iv. $\alpha$-particles. may be found in light nuclei? Options:
  A) i and ii
  B) i and iii
  C) ii and iv
  D) ii and iii
  E) i, ii and iii
  Show Answer
  The correct answer is D .
• Question 937: A structural engineer stood on a top of a building releasing a light and heavy object to the ground which of the following statement is true?(Neglect Air Resistance) Options:
  A) Bothe light and heavy subject reach the ground at the same time
  B) he light object get to the ground first before the heavy object
  C) he heavy object to the ground first before the light object
  D) None get to the ground first
  Show Answer
  The correct answer is A .
• Question 938:

  

  Fig 10 above shows a see-saw which is perfectly in balance, the weighs of the people sitting on it are 50kg, xkg and 15kg as shown, the sit at distances of 1.5, 1.5 and 2m from the pivot respectively. The vale of X is

  Options:
  A) 30
  B) 35
  C) 70
  D) 24.25
  E) impossible to find
  Show Answer
  The correct answer is A .
• Question 939:

  A man swung an object of mass 2 kg in a circular path with a rope 1.2 m long. If the object was swung at 120 rev/min, find the tension in the rope.

  Options:
  A) 400 N
  B) 288 N
  C) 240 N
  D) 379 N
  Show Answer
  The correct answer is D .
• Question 940:

  "Sum of all forces acting on a body is zero." This condition represents equilibrium'

  Options:
  A) First condition
  B) Second condition
  C) Third condition
  D) Fourth condition
  Show Answer
  The correct answer is A .